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Ellen O'Connell, M.D.

  • Emergency Medicine


Ellen O’Connell, M.D., is an Associate Professor in the Department of Emergency Medicine at UT Southwestern Medical Center. She specializes in medical informatics. 

Dr. O’Connell earned her medical degree at Saint Louis University School of Medicine. She then completed both her residency in emergency medicine and fellowship in medical toxicology at UT Southwestern. 

Certified by the American Board of Emergency Medicine, she joined the UT Southwestern faculty in 2006. 

Dr. O’Connell serves on numerous UTSW committees, including the Emergency Medicine departmental Clinical Quality Improvement Committee. In addition, she chairs the Pharmacy & Therapeutics and Drug Utilization Review Committee at Parkland Health and Hospital Systems. 

She is a member of several professional organizations, including the American College of Medical Toxicology, the American College of Emergency Physicians, and the Texas College of Emergency Physicians.

Dr. O’Connell has delivered numerous national and regional invited lectures, contributed to the eighth edition of Rosen’s Emergency Medicine: Concepts and Clinical Practice, and published several academic articles.

Education & Training
  • Fellowship - UT Southwestern Medical Center (2005-2007), Toxicology
  • Residency - UT Southwestern Medical Center (2003-2005), Emergency Medicine
  • Internship - UT Southwestern Medical Center (2002-2003), Emergency Medicine
  • Medical School - St. Louis University School of Medicine (1998-2002)